Bulletin: January 2003
U.S. DEPARTMENT OF THE INTERIOR NO. 1-03-EXP GEOLOGICAL SURVEY FEB 27, 2003 ROUTINE MINING SEISMICITY IN THE UNITED STATES JANUARY 2003 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG mb MS USED 19 00 28 12.1 40.311 N 107.709 W 0 G 0.9 111 21 COLORADO. ML 3.3 (GS). 19 05 09 07.9 39.664 N 111.357 W 0 G 0.6 109 13 UTAH 27 19 05 16.3 43.788 N 105.313 W 0 G 1.0 135 10 WYOMING. ML 3.2 (GS). 35 miles (60 km) SSE of Gillette. 27 19 17 58.9 43.720 N 105.260 W 0 G 1.1 130 16 WYOMING. ML 3.3 (GS). 28 19 05 47.1 43.797 N 105.375 W 0 G 0.8 136 17 WYOMING. ML 3.3 (GS). 35 miles (55 km) S of Gillette. 29 19 00 34.5 43.689 N 105.269 W 0 G 0.6 128 11 WYOMING. ML 3.2 (GS). 31 19 01 24.8 43.730 N 105.322 W 0 G 0.5 131 18 WYOMING. ML 3.1 (GS).
For origin times after September 30, 2002, USGS computations of hypocenters and magnitudes for routine mining events are listed in this publication only for exceptionally large events and for events that are also listed in the Reviewed Event Event Bulletins (REB) of the International Data Center of the United Nations' Comprehensive Nuclear-Test-Ban Treaty Organization.
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